Home / 190,064.56-285,074.92-49,834.32

Finding the Fourth Proportional to 190,064.56, 285,074.92 and 49,834.32

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Solution

The fourth proportional to 190,064.56, 285,074.92 and 49,834.32 is: 74,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064.56 : 285,074.92 = 49,834.32 : x
  2. Step 2: Convert to fraction form
    190,064.56/285,074.92 = 49,834.32/x
  3. Step 3: Cross multiply
    190,064.56x = 285,074.92 × 49,834.32
  4. Step 4: Simplify right side
    190,064.56x = 14,206,514,787.25
  5. Step 5: Solve for x
    x = 14,206,514,787.25/190,064.56
  6. Step 6: Final answer
    x = 74,745.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.